From Longman Dictionary of Contemporary Englishsafety catchˈsafety catch noun [countable] British English PMWa lock on a gun that stops anyone from shooting it by accident SYN safety American English
Examples from the Corpus
safety catch• The man had seen Mike first but had fumbled with his safety catch as Mike killed him.• Desperately, he reached for the hidden gun and fumbled with its safety catch.• It came clear from the bag, her finger slipping on to the trigger, thumb freeing the safety catch.• Plummer lowered the weapon, easing the hammer forward and slipping on the safety catch.• She slipped the safety catch into place and deposited the gun on the coffee table beside her.• He pulled the trigger, believing that the safety catch was on.• He thought the safety catch was on. 